Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
kochanek
←
Polish
kochać
(suffix)
←
Polish
ek
(suffix)
→
Polish
kochanka
(suffix)
→
Ukrainian
коханець
(cognate)